MoreStreams

- Added explanation

Basics/overloading/Overloading/src/main/java/ocp/practice/basics/Overloading/App.java

@@ -46,6 +46,12 @@ public class App
     	System.out.println("Double (n-arity): "+Arrays.toString(doubles));
     }
     
+    public static void doThing(Integer i, Integer k, Integer j)
+    {
+    	System.out.println("Boxed Integer (3 arity): "+i+" "+k+" "+j);
+    }
+    
+    // TODO: Disable below THEN above is chosen
     public static void doThing(long i, long k, long j)
     {
     	System.out.println("Long (3 arity): "+i+" "+k+" "+j);

MoreStreams/MoreStreams/.gitignore

@@ -0,0 +1 @@
+/target/

MoreStreams/MoreStreams/pom.xml

@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>ocp.practice.basics</groupId>
+  <artifactId>MoreStreams</artifactId>
+  <version>0.0.1-SNAPSHOT</version>
+
+  <name>MoreStreams</name>
+  <description>A simple MoreStreams.</description>
+  <!-- FIXME change it to the project's website -->
+  <url>http://www.example.com</url>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <maven.compiler.source>1.7</maven.compiler.source>
+    <maven.compiler.target>1.7</maven.compiler.target>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>3.8.1</version>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
+      <plugins>
+        <plugin>
+          <artifactId>maven-clean-plugin</artifactId>
+          <version>3.1.0</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-site-plugin</artifactId>
+          <version>3.7.1</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-project-info-reports-plugin</artifactId>
+          <version>3.0.0</version>
+        </plugin>
+        <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging -->
+        <plugin>
+          <artifactId>maven-resources-plugin</artifactId>
+          <version>3.0.2</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-compiler-plugin</artifactId>
+          <version>3.8.0</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-surefire-plugin</artifactId>
+          <version>2.22.1</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-jar-plugin</artifactId>
+          <version>3.0.2</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-install-plugin</artifactId>
+          <version>2.5.2</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-deploy-plugin</artifactId>
+          <version>2.8.2</version>
+        </plugin>
+      </plugins>
+    </pluginManagement>
+  </build>
+
+  <reporting>
+    <plugins>
+      <plugin>
+        <artifactId>maven-project-info-reports-plugin</artifactId>
+      </plugin>
+    </plugins>
+  </reporting>
+</project>

MoreStreams/MoreStreams/src/main/java/ocp/practice/basics/MoreStreams/App.java

@@ -0,0 +1,42 @@
+package ocp.practice.basics.MoreStreams;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Stream;
+
+/**
+ * Practicing streams and linkage
+ *
+ */
+public class App 
+{
+    public static void main( String[] args )
+    {
+        // Practice dirtying streams
+    	practiceDirtyLinkage();
+    }
+    
+    /**
+     * When you do a operation on a stream
+     * then it "dirties" the original stream
+     * meaning another thing cannot be linked.
+     * 
+     * This is why you must always use to new
+     * stream created by the method call which
+     * dirtied the original one so as to have
+     * an "undirtied" one which can be linked.
+     */
+    private static void practiceDirtyLinkage()
+    {
+    	Stream<Integer> myStream = Stream.of(10, 20, 30);
+        
+//      myStream.map((item) -> item+10);
+      
+      myStream.forEach(System.out::print); // 10 20 30
+      
+      var f = List.of(1,2,3,4);
+      f.forEach((d) -> System.out.print(d));
+      f.replaceAll(d->d+10);
+      Arrays.asList(1,2,3,4);
+    }
+}

MoreStreams/MoreStreams/src/site/site.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<project name="MoreStreams" xmlns="http://maven.apache.org/DECORATION/1.8.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.8.0 http://maven.apache.org/xsd/decoration-1.8.0.xsd">
+  <bannerLeft>
+    <name>MoreStreams</name>
+    <src>https://maven.apache.org/images/apache-maven-project.png</src>
+    <href>https://www.apache.org/</href>
+  </bannerLeft>
+
+  <bannerRight>
+    <src>https://maven.apache.org/images/maven-logo-black-on-white.png</src>
+    <href>https://maven.apache.org/</href>
+  </bannerRight>
+
+  <skin>
+    <groupId>org.apache.maven.skins</groupId>
+    <artifactId>maven-fluido-skin</artifactId>
+    <version>1.7</version>
+  </skin>
+
+  <body>
+    <menu ref="parent" />
+    <menu ref="reports" />
+  </body>
+</project>

MoreStreams/MoreStreams/src/test/java/ocp/practice/basics/MoreStreams/AppTest.java

@@ -0,0 +1,38 @@
+package ocp.practice.basics.MoreStreams;
+
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestSuite;
+
+/**
+ * Unit test for simple App.
+ */
+public class AppTest 
+    extends TestCase
+{
+    /**
+     * Create the test case
+     *
+     * @param testName name of the test case
+     */
+    public AppTest( String testName )
+    {
+        super( testName );
+    }
+
+    /**
+     * @return the suite of tests being tested
+     */
+    public static Test suite()
+    {
+        return new TestSuite( AppTest.class );
+    }
+
+    /**
+     * Rigourous Test :-)
+     */
+    public void testApp()
+    {
+        assertTrue( true );
+    }
+}